23303103321221 has 2 divisors, whose sum is σ = 23303103321222. Its totient is φ = 23303103321220.

The previous prime is 23303103321181. The next prime is 23303103321259. The reversal of 23303103321221 is 12212330130332.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21100517860900 + 2202585460321 = 4593530^2 + 1484111^2 .

It is a cyclic number.

It is not a de Polignac number, because 23303103321221 - 2¹⁴ = 23303103304837 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23303103321271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11651551660610 + 11651551660611.

It is an arithmetic number, because the mean of its divisors is an integer number (11651551660611).

Almost surely, 2^{23303103321221} is an apocalyptic number.

It is an amenable number.

23303103321221 is a deficient number, since it is larger than the sum of its proper divisors (1).

23303103321221 is an equidigital number, since it uses as much as digits as its factorization.

23303103321221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 23303103321221 its reverse (12212330130332), we get a palindrome (35515433451553).

The spelling of 23303103321221 in words is "twenty-three trillion, three hundred three billion, one hundred three million, three hundred twenty-one thousand, two hundred twenty-one".